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  • Answer please! The number of water molecules is maximum in :

The number of water molecules is maximum in :

  • Option 1)

    18 molecules of water

  • Option 2)

    1.8 gram of water

  • Option 3)

    18 gram of water

  • Option 4)

    18 moles of water

 

Answers (1)

best_answer

As learnt in

Mole Concept -

One mole is the amount of a substance that contains as many particles or entities as there are atoms in exactly 12 g (or 0.012 kg) of the 12C isotope.

- wherein

one mole = 6.0221367 X 1023   

 

 

 Let us check the number of molecules in each option.

 

18 molecules of water have 18 molecules

1.8 gram of water has   \frac{1.8}{18}\times N_{A}\:molecules

18 gram of water has   \frac{18}{18} \:N_{A}\:molecules

18 moles of water has 18 NA molecules


Option 1)

18 molecules of water

This option is incorrect

Option 2)

1.8 gram of water

This option is incorrect

Option 3)

18 gram of water

This option is incorrect

Option 4)

18 moles of water

This option is correct

Posted by

Aadil

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